CHELSEA boss Maurizio Sarri still needs to sign a new striker despite the recent good form of Alvaro Morata. That’s the view of sbobet link Sky Sports pundit Paul Merson, who believes the Blues require a proven goalscorer. Chelsea are unbeaten this season, sitting second in the Premier League table just two points behind Manchester City. Morata has scored in three of Chelsea’s last four league fixtures, bagging a brace in last week’s 3-1 win over Crystal Palace. The Spaniard wasn’t in the squad that beat BATE Borisov in sbobet link the Europa League in midweek, Olivier Giroud netting the only goal of the game. But Merson believes Sarri still needs someone more reliable in front of goal.“Chelsea put out a strong team at BATE Borisov, perhaps it was too strong,” Merson told Sky Sports.“I understand Eden Hazard needs the minutes but surely you'd rather him have them against Everton rather than travelling all the way to Belarus. Chelsea have a decent squad and will be there or thereabouts this season, but they still need a proper goalscorer.“You only need to look at Alvaro Morata's late chance against Palace.“Yes, the game was sbobet link won, but Ian Wright, Alan Shearer, Robbie Fowler, Michael Owen, Thierry Henry, Harry Kane and the like would have sealed their hat-trick instead of trying to chip the goalkeeper, got the ball signed by everyone and then gone home!” Chelsea first-team coach Gianfranco Zola believes the Chelsea strikers will keep improving.